From: Antony Pavlov <antonynpavlov@gmail.com>
To: Roberto Alejandro Espi Munoz <raespi@icid.cu>
Cc: barebox@lists.infradead.org
Subject: Re: serial port weird chars ...
Date: Fri, 7 Aug 2015 19:41:04 +0300 [thread overview]
Message-ID: <20150807194104.b02642e26c441e906a1deeca@gmail.com> (raw)
In-Reply-To: <55C4C388.9060102@icid.cu>
On Fri, 07 Aug 2015 10:41:12 -0400
Roberto Alejandro Espi Munoz <raespi@icid.cu> wrote:
> Hi ... I'm currently having some trouble with displaying characters
> correctly in my terminal. I'm using a board equivalent to the
> mini2440. This one has a NOR and a NAND. I connect to it over a serial
> port interface. When I boot up the board in debug mode I'm able to see
> clearly the messages displayed by the S3C2440A USB Downloader which is
> copied in the NOR interface, I then download my barebox binary over the
> USB interface and when it boots I get a lot of weird characters on
> screen. The console seems to respond correctly, I issue for example the
> "reset" command and it resets but I can't make out what is displayed.
> I was guessing at first a serial port configuration problem on my
> operating system (I use Linux), tried it over on Windows and same
> effect, the first bootloader works great and barebox when starting just
> mangles the characters.
>
> The other weird problem is than when I use a USB-Serial converter to
> connect to the board's serial port everything works !
>
> I'm currently using barebox 2012.09 and OpenSuse Linux 13.2
>
> Any ideas ? thanks
You have the problem if you use your host computer motherboard serial port (no matter, Linux or Windows),
isn't it?
And no problem if you use USB-Serial dongle. So it looks like host serial port problem.
Could you try to connect the board to another host computer?
--
Best regards,
Antony Pavlov
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next prev parent reply other threads:[~2015-08-07 16:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-07 14:41 Roberto Alejandro Espi Munoz
2015-08-07 16:41 ` Antony Pavlov [this message]
2015-08-07 19:03 ` Roberto Alejandro Espi Munoz
2015-08-08 15:23 ` Antony Pavlov
2015-08-10 12:16 ` Roberto Alejandro Espi Munoz
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